Sharp SF-2014 Manual de Serviço Página 51
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3 Remove the connector and the fixing screw (1 pc.), and remove
the mirror home position sensor (MHPS) towards the rear frame.
4 Remove the connector and the fixing screw and pull out the lens
home position sensor (LHPS) towards the rear frame.
5 Remove the fixing screw (1 pc.) of the upper frame and the screw
and the connector in the rear frame, then remove the main PWB.
6 Remove the connector, the manual paper feed unit, the right
upper cabinet, the table glass, and the dark box cover. Remove
the fixing screw from the above and remove the AE sensor to-
wards the front frame side.
For assembly, reverse the disassembly procedures.
4-8. Light adjustment plate/temperature fuse
removal
1 Remove the document glass.
2 Remove the parts as shown in the figure.
6 – 12
- SERVICE MANUAL 1
- MODEL SF-2014 1
- MODEL SF-2214 1
- CONTENTS 2
- [1] GENERAL DESCRIPTION 4
- [2] PRODUCT SPECIFICATIONS 6
- • Inch series 7
- • Single 7
- • Developer 7
- • Toner 7
- 3. Supplies 8
- Upper unit 10
- Lower unit 10
- 1. Packing drawing 17
- 2. Installation 17
- (2) Space around the machine 18
- (3) Installing table 18
- Mirror unit fixing screw 19
- (3) Developer setting 20
- (4) Toner supply 20
- (6) Accessory attachment 21
- Installation Manual 22
- Mounting 23
- [5] GENERAL DESCRIPTIONS OF 25
- EACH SECTION 25
- 3. Fuser, paper exit section 26
- 4. Developer section 26
- 5. Optical system 27
- 5-2. Basic operations 28
- 6. Copy process 30
- (3) Actual process 31
- OPC drum 32
- Step 5 (Development) 33
- Step 6 (Transfer) 34
- Step 7 (Separation) 34
- Aluminum layer 35
- (5) Process correction system 36
- 2) Correction operation 36
- [Initial setting] 37
- [Correction timing] 37
- [Correction operation] 37
- 7. SPF section (SF-2214 only) 38
- [6] DISASSEMBLY AND ASSEMBLY 40
- 1-3. Separation roller 41
- One-way clutch side 42
- 1-6. Transport belt 43
- 1-7. Socket holder unit 43
- 1-8. Lower unit PWB 43
- 1-10. Power unit 43
- Arrow mark 44
- 3. Fuser section 45
- Paper exit paper guide 47
- 4. Optical system 48
- <Removal> 49
- <Installation> 49
- 4-6. Optical unit removal 50
- 5. SPF section 52
- 1 , 2 ." 53
- 5-5. Clutch/solenoid removal 54
- 5-6. Sensor removal 54
- 6. Drum section 55
- 7. Developer section 55
- 7-3. Toner motor removal 56
- 7-4. Toner density sensor 56
- 9-1. Ozone filter 57
- 9-3. Ventilation fan motor 57
- 9-4. Transport roller clutch 58
- 9-5. Paper exit sensor 58
- [7] ADJUSTMENTS 59
- 0.6±0.03mm 60
- 2. Optical section 61
- Document Copy 64
- Document Copy A Copy B 65
- Optical unit cover 66
- Scanner unit drive pulley 67
- Set screw 67
- No.2 scanner unit 68
- Positioning plate 68
- Do not move 68
- Document Copy C Copy D 69
- Change the right side 70
- Change the left side 70
- Copy paper 71
- No.4/5 mirror drive lever 72
- No.4/5 mirror unit frame 72
- Copy image size 74
- Original size 74
- (7) Uniformity adjustment 76
- Paper exit 77
- Half-tone copy 77
- Less exposure 77
- (Dark copy) 77
- Scale image lead edge 79
- Reduction copy (x 0.64) 79
- 10 20 30 80
- Copy scale image 81
- Paper lead edge 81
- 3. COPY DENSITY ADJUSTMENT 84
- Not copied 85
- Slightly copied 85
- adjustment 86
- 4. Others 88
- Cut the wire at the 88
- Wind two turns and 88
- [8] SIMULATIONS 89
- 4. Purpose list 90
- 5. Details of simulations 91
- ÷ Document length x 100 [%] 95
- EXP1~5 voltage 99
- Full power 99
- 6. User simulation 101
- [9] SELF DIAG 102
- 4. Self diag contents 103
- 2) Transport section 108
- 1) Paper feed section 108
- [10] SERVICING AT MEMORY 109
- TROUBLE AND MAIN 109
- CONTROL PWB REPLACEMENT 109
- 4. Set value recording sheet 112
- 5. Memory simulation list 113
- [11] MAINTENANCE 114
- [12] ELECTRICAL SECTION 115
- 3. Main circuit 116
- 3 Block diagram 117
- IN XIN IN Clock IN 118
- OUT XOUT OUT Clock OUT 118
- H=+32V, VB=+24V 119
- 1 General 120
- Stepping motor time chart 121
- External view 5P5 122
- Delay capacity 122
- (1) Outline 125
- (2) Display circuit 126
- 1 Block diagram 126
- 2 Operation 126
- (3) LED display 127
- • AC PWB unit 127
- • In the main PWB unit 128
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